What are the different types of rocks?
There are three main types of rocks: igneous, sedimentary, and metamorphic. Igneous rocks are formed from the cooling and solidification of magma, the molten rock that forms beneath the Earth's surface. Sedimentary rocks are formed from the accumulation and comp tary of grains of sand and other small particles. Metamorphic rocks are formed when existing rocks are altered by heat and pressure, often deep within the Earth's crust. Igneous rocks form from the cooling and solidification of magma, while sedimentary rocks form f sification of sediment. They can be classifie